- Better after-sales service,we will reply you within 24 hours! - Ship in 0-1 day and reach the delivery within 1-3 working days generally. Chainring Product Description: Brand: BUCKLOS Bolt Center Diameter: 110mm BCD Teeth: 50/52/53T Material：AL7075 Aluminum alloy Color: Black Shape: Round Type：Single/Double speed chainring Weight: 50T:About 114.4g 52T:About 123.9g 53T:About 126.8g Compatible with: 10/11 Speed Applicable：Road Bike Package: 1pc Chainring Compatible Model：Dura-Ace R9100，Ultegra R8000, 105 R7000，R8000，R9000.
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